National Item Identification Number
00-662-0398
006620398
4820-00-662-0398
4820-00-662-0398
National Stock Number
Item Name
SEAT,VALVE
Federal Supply Class
4820
Description
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
18511
Required Categories
OVERALL HEIGHT
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER
MATERIAL
HARDNESS
Required Description
0.307 INCHES MINIMUM AND
0.312 INCHES MAXIMUM
2.139 INCHES MINIMUM AND
2.140